package main

import "time"

func main() {
	println(dayOfTheWeek(1, 1, 1971))
}
func dayOfTheWeek(day int, month int, year int) string {
	var week = []string{"Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"}
	difference := time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.Local).Sub(time.Date(1970, 12, 28, 0, 0, 0, 0, time.Local)) / (60 * 60 * 24 * 1000000000)

	return week[difference%7]
}
